90717840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{41999}}^1$

素因数の和:42021

約数の個数: 80

約数和(自身を含む): 312480000

約数和(自身を除く): 221762160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 41999, 83998, 125997, 167996, 209995, 251994, 335992, 377991, 419990, 503988, 629985, 671984, 755982, 839980, 1007976, 1133973, 1259970, 1511964, 1679960, 1889955, 2015952, 2267946, 2519940, 3023928, 3359920, 3779910, 4535892, 5039880, 5669865, 6047856, 7559820, 9071784, 10079760, 11339730, 15119640, 18143568, 22679460, 30239280, 45358920, 90717840]

約数ペア:

[(1, 90717840), (2, 45358920), (3, 30239280), (4, 22679460), (5, 18143568), (6, 15119640), (8, 11339730), (9, 10079760), (10, 9071784), (12, 7559820), (15, 6047856), (16, 5669865), (18, 5039880), (20, 4535892), (24, 3779910), (27, 3359920), (30, 3023928), (36, 2519940), (40, 2267946), (45, 2015952), (48, 1889955), (54, 1679960), (60, 1511964), (72, 1259970), (80, 1133973), (90, 1007976), (108, 839980), (120, 755982), (135, 671984), (144, 629985), (180, 503988), (216, 419990), (240, 377991), (270, 335992), (360, 251994), (432, 209995), (540, 167996), (720, 125997), (1080, 83998), (2160, 41999)]